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      11-10-2017, 10:54 AM   #1
Nordgeist
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Drives: 2006 BMW Z4M Roadster
Join Date: Mar 2017
Location: San Diego, California

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2006 BMW Z4M  [7.00]
Mods that Pass California Emissions??

Hey all, like it says on the tin: any way of knowing which mods will fail or pass California's insane emissions laws?

I'd really love to get a CSL airbox and tune, but my mechanic warned me it probably won't pass a smog test. Same thing with exhaust, headers, anything fun basically. Is there a website that can tell you what will pass or fail?

Anyone have any experience with this?
Appreciate 0